Humans Depend on Biodiversity in Many Ways

question 23

Multiple Choice

Humans depend on biodiversity in many ways. Which of the following is considered to be an "option value"?

• A) The future discovery of a cure for cancer
• B) Having clean air and drinkable water
• C) Breeding strains of crops resistant to drought
• D) The opportunity to experience the beauty of the natural world
• E) Mangroves providing a natural buffer from hurricane-force winds and floods

Comprehend the relationship between chiral centers and optical activity.

Calculate enantiomeric excess (e.e.) and understand its role in stereoisomerism.

Predict the effects of compound concentration and solution conditions on specific rotation measurements.

Describe the stereochemical relationship between different types of isomers.

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Definitions:

Meiosis

A type of cell division that reduces the chromosome number by half, resulting in four daughter cells, each genetically distinct from the parent cell.

Crossing Over

The exchange of genetic material between homologous chromosomes during meiosis, leading to variation in the genetic information passed to offspring.

Meiosis

A form of cellular division that halves the number of chromosomes, thereby creating four unique haploid gametes.

Sexual Reproduction

A biological process that creates a new organism by combining the genetic material of two organisms.